The phrase "a decrease in total" is correct and usable in written English.
It can be used when discussing a reduction in an overall amount or sum in various contexts, such as finance, statistics, or general analysis.
Example: "The report indicated a decrease in total revenue compared to the previous quarter."
Alternatives: "a reduction in total" or "a decline in total".
Overall, there was a decrease in total cancer mortality of approximately 40% for both sexes.
Penney forecast a decrease in total sales for the third quarter in the low-single digit percentages, with sales falling in the mid-single digit percentages.
The net effect of these two opposing forces could well be a decrease in total European aggregate demand — not what the Americans had been bargaining for in London.
The fact is that the only way to see a decrease in total federal debt would be to show a surplus of close to 500 million.
In contrast, metabolic enzyme activity and gene expression data at 25oC suggest a decrease in total ATP production in cardiac cells, and reduced stress responses.
Autoclaving treatment resulted in a decrease in total phenolic contents after holding for 90 min and at 121 °C at their native pH levels.
In complete contrast, with the sole exception of a decrease in total SAPs, CDP was without significant behavioural effect in test-experienced mice.
A decrease in total reservable liabilities shall be determined by subtracting the amount of total reservable liabilities on June 30 of the calendar year involved from the amount of total reservable liabilities on June 30 of the previous calendar year.
Results: Pubertal patients had a decrease in total insulin dose taking CSII; prepubertal patients had little change (−18 ± 3.5% vs −1.7 ± 5%, P =.01).
Overall there was a decrease in total soluble phenolics and DPPH-linked free radical scavenging activity with fermentation over a period of 72 h.
In fact, GC MS analyses revealed a decrease in total cellular and mitochondrial PI, and mitochondrial PE quantities.
